2 * QEMU graphical console
4 * Copyright (c) 2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "qemu/osdep.h"
26 #include "ui/console.h"
27 #include "hw/qdev-core.h"
28 #include "qapi/error.h"
29 #include "qemu/option.h"
30 #include "qemu/timer.h"
31 #include "qmp-commands.h"
32 #include "chardev/char-fe.h"
34 #include "exec/memory.h"
36 #define DEFAULT_BACKSCROLL 512
37 #define CONSOLE_CURSOR_PERIOD 500
39 typedef struct TextAttributes {
49 typedef struct TextCell {
51 TextAttributes t_attrib;
54 #define MAX_ESC_PARAMS 3
62 typedef struct QEMUFIFO {
65 int count, wptr, rptr;
68 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
72 l = f->buf_size - f->count;
77 l = f->buf_size - f->wptr;
80 memcpy(f->buf + f->wptr, buf, l);
82 if (f->wptr >= f->buf_size)
91 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
99 l = f->buf_size - f->rptr;
102 memcpy(buf, f->buf + f->rptr, l);
104 if (f->rptr >= f->buf_size)
116 TEXT_CONSOLE_FIXED_SIZE
123 console_type_t console_type;
125 DisplaySurface *surface;
127 DisplayChangeListener *gl;
131 /* Graphic console state. */
136 const GraphicHwOps *hw_ops;
139 /* Text console state */
143 int backscroll_height;
145 int x_saved, y_saved;
148 TextAttributes t_attrib_default; /* default text attributes */
149 TextAttributes t_attrib; /* currently active text attributes */
151 int text_x[2], text_y[2], cursor_invalidate;
160 int esc_params[MAX_ESC_PARAMS];
164 /* fifo for key pressed */
166 uint8_t out_fifo_buf[16];
167 QEMUTimer *kbd_timer;
170 struct DisplayState {
171 QEMUTimer *gui_timer;
172 uint64_t last_update;
173 uint64_t update_interval;
178 QLIST_HEAD(, DisplayChangeListener) listeners;
181 static DisplayState *display_state;
182 static QemuConsole *active_console;
183 static QemuConsole **consoles;
184 static int nb_consoles = 0;
185 static bool cursor_visible_phase;
186 static QEMUTimer *cursor_timer;
188 static void text_console_do_init(Chardev *chr, DisplayState *ds);
189 static void dpy_refresh(DisplayState *s);
190 static DisplayState *get_alloc_displaystate(void);
191 static void text_console_update_cursor_timer(void);
192 static void text_console_update_cursor(void *opaque);
194 static void gui_update(void *opaque)
196 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
197 uint64_t dcl_interval;
198 DisplayState *ds = opaque;
199 DisplayChangeListener *dcl;
202 ds->refreshing = true;
204 ds->refreshing = false;
206 QLIST_FOREACH(dcl, &ds->listeners, next) {
207 dcl_interval = dcl->update_interval ?
208 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
209 if (interval > dcl_interval) {
210 interval = dcl_interval;
213 if (ds->update_interval != interval) {
214 ds->update_interval = interval;
215 for (i = 0; i < nb_consoles; i++) {
216 if (consoles[i]->hw_ops->update_interval) {
217 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
220 trace_console_refresh(interval);
222 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
223 timer_mod(ds->gui_timer, ds->last_update + interval);
226 static void gui_setup_refresh(DisplayState *ds)
228 DisplayChangeListener *dcl;
229 bool need_timer = false;
230 bool have_gfx = false;
231 bool have_text = false;
233 QLIST_FOREACH(dcl, &ds->listeners, next) {
234 if (dcl->ops->dpy_refresh != NULL) {
237 if (dcl->ops->dpy_gfx_update != NULL) {
240 if (dcl->ops->dpy_text_update != NULL) {
245 if (need_timer && ds->gui_timer == NULL) {
246 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
247 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
249 if (!need_timer && ds->gui_timer != NULL) {
250 timer_del(ds->gui_timer);
251 timer_free(ds->gui_timer);
252 ds->gui_timer = NULL;
255 ds->have_gfx = have_gfx;
256 ds->have_text = have_text;
259 void graphic_hw_update(QemuConsole *con)
262 con = active_console;
264 if (con && con->hw_ops->gfx_update) {
265 con->hw_ops->gfx_update(con->hw);
269 void graphic_hw_gl_block(QemuConsole *con, bool block)
273 con->gl_block = block;
274 if (con->hw_ops->gl_block) {
275 con->hw_ops->gl_block(con->hw, block);
279 int qemu_console_get_window_id(QemuConsole *con)
281 return con->window_id;
284 void qemu_console_set_window_id(QemuConsole *con, int window_id)
286 con->window_id = window_id;
289 void graphic_hw_invalidate(QemuConsole *con)
292 con = active_console;
294 if (con && con->hw_ops->invalidate) {
295 con->hw_ops->invalidate(con->hw);
299 static void ppm_save(const char *filename, DisplaySurface *ds,
302 int width = pixman_image_get_width(ds->image);
303 int height = pixman_image_get_height(ds->image);
308 pixman_image_t *linebuf;
310 trace_ppm_save(filename, ds);
311 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
313 error_setg(errp, "failed to open file '%s': %s", filename,
317 f = fdopen(fd, "wb");
318 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
323 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
324 for (y = 0; y < height; y++) {
325 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
327 ret = fwrite(pixman_image_get_data(linebuf), 1,
328 pixman_image_get_stride(linebuf), f);
336 qemu_pixman_image_unref(linebuf);
341 error_setg(errp, "failed to write to file '%s': %s", filename,
347 void qmp_screendump(const char *filename, Error **errp)
349 QemuConsole *con = qemu_console_lookup_by_index(0);
350 DisplaySurface *surface;
353 error_setg(errp, "There is no QemuConsole I can screendump from.");
357 graphic_hw_update(con);
358 surface = qemu_console_surface(con);
359 ppm_save(filename, surface, errp);
362 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
365 con = active_console;
367 if (con && con->hw_ops->text_update) {
368 con->hw_ops->text_update(con->hw, chardata);
372 static void vga_fill_rect(QemuConsole *con,
373 int posx, int posy, int width, int height,
374 pixman_color_t color)
376 DisplaySurface *surface = qemu_console_surface(con);
377 pixman_rectangle16_t rect = {
378 .x = posx, .y = posy, .width = width, .height = height
381 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
385 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
386 static void vga_bitblt(QemuConsole *con,
387 int xs, int ys, int xd, int yd, int w, int h)
389 DisplaySurface *surface = qemu_console_surface(con);
391 pixman_image_composite(PIXMAN_OP_SRC,
392 surface->image, NULL, surface->image,
393 xs, ys, 0, 0, xd, yd, w, h);
396 /***********************************************************/
397 /* basic char display */
399 #define FONT_HEIGHT 16
404 #define QEMU_RGB(r, g, b) \
405 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
407 static const pixman_color_t color_table_rgb[2][8] = {
409 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
410 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
411 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
412 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
413 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
414 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
415 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
416 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
419 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
420 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
421 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
422 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
423 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
424 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
425 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
426 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
430 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
431 TextAttributes *t_attrib)
433 static pixman_image_t *glyphs[256];
434 DisplaySurface *surface = qemu_console_surface(s);
435 pixman_color_t fgcol, bgcol;
437 if (t_attrib->invers) {
438 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
439 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
441 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
442 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
446 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
448 qemu_pixman_glyph_render(glyphs[ch], surface->image,
449 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
452 static void text_console_resize(QemuConsole *s)
454 TextCell *cells, *c, *c1;
455 int w1, x, y, last_width;
457 last_width = s->width;
458 s->width = surface_width(s->surface) / FONT_WIDTH;
459 s->height = surface_height(s->surface) / FONT_HEIGHT;
465 cells = g_new(TextCell, s->width * s->total_height);
466 for(y = 0; y < s->total_height; y++) {
467 c = &cells[y * s->width];
469 c1 = &s->cells[y * last_width];
470 for(x = 0; x < w1; x++) {
474 for(x = w1; x < s->width; x++) {
476 c->t_attrib = s->t_attrib_default;
484 static inline void text_update_xy(QemuConsole *s, int x, int y)
486 s->text_x[0] = MIN(s->text_x[0], x);
487 s->text_x[1] = MAX(s->text_x[1], x);
488 s->text_y[0] = MIN(s->text_y[0], y);
489 s->text_y[1] = MAX(s->text_y[1], y);
492 static void invalidate_xy(QemuConsole *s, int x, int y)
494 if (!qemu_console_is_visible(s)) {
497 if (s->update_x0 > x * FONT_WIDTH)
498 s->update_x0 = x * FONT_WIDTH;
499 if (s->update_y0 > y * FONT_HEIGHT)
500 s->update_y0 = y * FONT_HEIGHT;
501 if (s->update_x1 < (x + 1) * FONT_WIDTH)
502 s->update_x1 = (x + 1) * FONT_WIDTH;
503 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
504 s->update_y1 = (y + 1) * FONT_HEIGHT;
507 static void update_xy(QemuConsole *s, int x, int y)
512 if (s->ds->have_text) {
513 text_update_xy(s, x, y);
516 y1 = (s->y_base + y) % s->total_height;
517 y2 = y1 - s->y_displayed;
519 y2 += s->total_height;
521 if (y2 < s->height) {
522 c = &s->cells[y1 * s->width + x];
523 vga_putcharxy(s, x, y2, c->ch,
525 invalidate_xy(s, x, y2);
529 static void console_show_cursor(QemuConsole *s, int show)
535 if (s->ds->have_text) {
536 s->cursor_invalidate = 1;
542 y1 = (s->y_base + s->y) % s->total_height;
543 y = y1 - s->y_displayed;
545 y += s->total_height;
548 c = &s->cells[y1 * s->width + x];
549 if (show && cursor_visible_phase) {
550 TextAttributes t_attrib = s->t_attrib_default;
551 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
552 vga_putcharxy(s, x, y, c->ch, &t_attrib);
554 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
556 invalidate_xy(s, x, y);
560 static void console_refresh(QemuConsole *s)
562 DisplaySurface *surface = qemu_console_surface(s);
566 if (s->ds->have_text) {
569 s->text_x[1] = s->width - 1;
570 s->text_y[1] = s->height - 1;
571 s->cursor_invalidate = 1;
574 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
575 color_table_rgb[0][QEMU_COLOR_BLACK]);
577 for (y = 0; y < s->height; y++) {
578 c = s->cells + y1 * s->width;
579 for (x = 0; x < s->width; x++) {
580 vga_putcharxy(s, x, y, c->ch,
584 if (++y1 == s->total_height) {
588 console_show_cursor(s, 1);
589 dpy_gfx_update(s, 0, 0,
590 surface_width(surface), surface_height(surface));
593 static void console_scroll(QemuConsole *s, int ydelta)
598 for(i = 0; i < ydelta; i++) {
599 if (s->y_displayed == s->y_base)
601 if (++s->y_displayed == s->total_height)
606 i = s->backscroll_height;
607 if (i > s->total_height - s->height)
608 i = s->total_height - s->height;
611 y1 += s->total_height;
612 for(i = 0; i < ydelta; i++) {
613 if (s->y_displayed == y1)
615 if (--s->y_displayed < 0)
616 s->y_displayed = s->total_height - 1;
622 static void console_put_lf(QemuConsole *s)
628 if (s->y >= s->height) {
629 s->y = s->height - 1;
631 if (s->y_displayed == s->y_base) {
632 if (++s->y_displayed == s->total_height)
635 if (++s->y_base == s->total_height)
637 if (s->backscroll_height < s->total_height)
638 s->backscroll_height++;
639 y1 = (s->y_base + s->height - 1) % s->total_height;
640 c = &s->cells[y1 * s->width];
641 for(x = 0; x < s->width; x++) {
643 c->t_attrib = s->t_attrib_default;
646 if (s->y_displayed == s->y_base) {
647 if (s->ds->have_text) {
650 s->text_x[1] = s->width - 1;
651 s->text_y[1] = s->height - 1;
654 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
655 s->width * FONT_WIDTH,
656 (s->height - 1) * FONT_HEIGHT);
657 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
658 s->width * FONT_WIDTH, FONT_HEIGHT,
659 color_table_rgb[0][s->t_attrib_default.bgcol]);
662 s->update_x1 = s->width * FONT_WIDTH;
663 s->update_y1 = s->height * FONT_HEIGHT;
668 /* Set console attributes depending on the current escape codes.
669 * NOTE: I know this code is not very efficient (checking every color for it
670 * self) but it is more readable and better maintainable.
672 static void console_handle_escape(QemuConsole *s)
676 for (i=0; i<s->nb_esc_params; i++) {
677 switch (s->esc_params[i]) {
678 case 0: /* reset all console attributes to default */
679 s->t_attrib = s->t_attrib_default;
682 s->t_attrib.bold = 1;
685 s->t_attrib.uline = 1;
688 s->t_attrib.blink = 1;
691 s->t_attrib.invers = 1;
694 s->t_attrib.unvisible = 1;
697 s->t_attrib.bold = 0;
700 s->t_attrib.uline = 0;
703 s->t_attrib.blink = 0;
706 s->t_attrib.invers = 0;
709 s->t_attrib.unvisible = 0;
711 /* set foreground color */
713 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
716 s->t_attrib.fgcol = QEMU_COLOR_RED;
719 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
722 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
725 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
728 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
731 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
734 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
736 /* set background color */
738 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
741 s->t_attrib.bgcol = QEMU_COLOR_RED;
744 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
747 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
750 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
753 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
756 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
759 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
765 static void console_clear_xy(QemuConsole *s, int x, int y)
767 int y1 = (s->y_base + y) % s->total_height;
768 TextCell *c = &s->cells[y1 * s->width + x];
770 c->t_attrib = s->t_attrib_default;
774 static void console_put_one(QemuConsole *s, int ch)
778 if (s->x >= s->width) {
783 y1 = (s->y_base + s->y) % s->total_height;
784 c = &s->cells[y1 * s->width + s->x];
786 c->t_attrib = s->t_attrib;
787 update_xy(s, s->x, s->y);
791 static void console_respond_str(QemuConsole *s, const char *buf)
794 console_put_one(s, *buf);
799 /* set cursor, checking bounds */
800 static void set_cursor(QemuConsole *s, int x, int y)
808 if (y >= s->height) {
819 static void console_putchar(QemuConsole *s, int ch)
828 case '\r': /* carriage return */
831 case '\n': /* newline */
834 case '\b': /* backspace */
838 case '\t': /* tabspace */
839 if (s->x + (8 - (s->x % 8)) > s->width) {
843 s->x = s->x + (8 - (s->x % 8));
846 case '\a': /* alert aka. bell */
847 /* TODO: has to be implemented */
850 /* SI (shift in), character set 0 (ignored) */
853 /* SO (shift out), character set 1 (ignored) */
855 case 27: /* esc (introducing an escape sequence) */
856 s->state = TTY_STATE_ESC;
859 console_put_one(s, ch);
863 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
865 for(i=0;i<MAX_ESC_PARAMS;i++)
866 s->esc_params[i] = 0;
867 s->nb_esc_params = 0;
868 s->state = TTY_STATE_CSI;
870 s->state = TTY_STATE_NORM;
873 case TTY_STATE_CSI: /* handle escape sequence parameters */
874 if (ch >= '0' && ch <= '9') {
875 if (s->nb_esc_params < MAX_ESC_PARAMS) {
876 int *param = &s->esc_params[s->nb_esc_params];
877 int digit = (ch - '0');
879 *param = (*param <= (INT_MAX - digit) / 10) ?
880 *param * 10 + digit : INT_MAX;
883 if (s->nb_esc_params < MAX_ESC_PARAMS)
885 if (ch == ';' || ch == '?') {
888 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
889 ch, s->nb_esc_params);
890 s->state = TTY_STATE_NORM;
894 if (s->esc_params[0] == 0) {
895 s->esc_params[0] = 1;
897 set_cursor(s, s->x, s->y - s->esc_params[0]);
900 /* move cursor down */
901 if (s->esc_params[0] == 0) {
902 s->esc_params[0] = 1;
904 set_cursor(s, s->x, s->y + s->esc_params[0]);
907 /* move cursor right */
908 if (s->esc_params[0] == 0) {
909 s->esc_params[0] = 1;
911 set_cursor(s, s->x + s->esc_params[0], s->y);
914 /* move cursor left */
915 if (s->esc_params[0] == 0) {
916 s->esc_params[0] = 1;
918 set_cursor(s, s->x - s->esc_params[0], s->y);
921 /* move cursor to column */
922 set_cursor(s, s->esc_params[0] - 1, s->y);
926 /* move cursor to row, column */
927 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
930 switch (s->esc_params[0]) {
932 /* clear to end of screen */
933 for (y = s->y; y < s->height; y++) {
934 for (x = 0; x < s->width; x++) {
935 if (y == s->y && x < s->x) {
938 console_clear_xy(s, x, y);
943 /* clear from beginning of screen */
944 for (y = 0; y <= s->y; y++) {
945 for (x = 0; x < s->width; x++) {
946 if (y == s->y && x > s->x) {
949 console_clear_xy(s, x, y);
954 /* clear entire screen */
955 for (y = 0; y <= s->height; y++) {
956 for (x = 0; x < s->width; x++) {
957 console_clear_xy(s, x, y);
964 switch (s->esc_params[0]) {
967 for(x = s->x; x < s->width; x++) {
968 console_clear_xy(s, x, s->y);
972 /* clear from beginning of line */
973 for (x = 0; x <= s->x; x++) {
974 console_clear_xy(s, x, s->y);
978 /* clear entire line */
979 for(x = 0; x < s->width; x++) {
980 console_clear_xy(s, x, s->y);
986 console_handle_escape(s);
989 switch (s->esc_params[0]) {
991 /* report console status (always succeed)*/
992 console_respond_str(s, "\033[0n");
995 /* report cursor position */
996 sprintf(response, "\033[%d;%dR",
997 (s->y_base + s->y) % s->total_height + 1,
999 console_respond_str(s, response);
1004 /* save cursor position */
1009 /* restore cursor position */
1014 trace_console_putchar_unhandled(ch);
1022 void console_select(unsigned int index)
1024 DisplayChangeListener *dcl;
1027 trace_console_select(index);
1028 s = qemu_console_lookup_by_index(index);
1030 DisplayState *ds = s->ds;
1034 QLIST_FOREACH(dcl, &ds->listeners, next) {
1035 if (dcl->con != NULL) {
1038 if (dcl->ops->dpy_gfx_switch) {
1039 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1042 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1043 surface_height(s->surface));
1045 if (ds->have_text) {
1046 dpy_text_resize(s, s->width, s->height);
1048 text_console_update_cursor(NULL);
1052 typedef struct VCChardev {
1054 QemuConsole *console;
1057 #define TYPE_CHARDEV_VC "chardev-vc"
1058 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
1060 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1062 VCChardev *drv = VC_CHARDEV(chr);
1063 QemuConsole *s = drv->console;
1070 s->update_x0 = s->width * FONT_WIDTH;
1071 s->update_y0 = s->height * FONT_HEIGHT;
1074 console_show_cursor(s, 0);
1075 for(i = 0; i < len; i++) {
1076 console_putchar(s, buf[i]);
1078 console_show_cursor(s, 1);
1079 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1080 dpy_gfx_update(s, s->update_x0, s->update_y0,
1081 s->update_x1 - s->update_x0,
1082 s->update_y1 - s->update_y0);
1087 static void kbd_send_chars(void *opaque)
1089 QemuConsole *s = opaque;
1093 len = qemu_chr_be_can_write(s->chr);
1094 if (len > s->out_fifo.count)
1095 len = s->out_fifo.count;
1097 if (len > sizeof(buf))
1099 qemu_fifo_read(&s->out_fifo, buf, len);
1100 qemu_chr_be_write(s->chr, buf, len);
1102 /* characters are pending: we send them a bit later (XXX:
1103 horrible, should change char device API) */
1104 if (s->out_fifo.count > 0) {
1105 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1109 /* called when an ascii key is pressed */
1110 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1112 uint8_t buf[16], *q;
1116 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1120 case QEMU_KEY_CTRL_UP:
1121 console_scroll(s, -1);
1123 case QEMU_KEY_CTRL_DOWN:
1124 console_scroll(s, 1);
1126 case QEMU_KEY_CTRL_PAGEUP:
1127 console_scroll(s, -10);
1129 case QEMU_KEY_CTRL_PAGEDOWN:
1130 console_scroll(s, 10);
1133 /* convert the QEMU keysym to VT100 key string */
1135 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1138 c = keysym - 0xe100;
1140 *q++ = '0' + (c / 10);
1141 *q++ = '0' + (c % 10);
1143 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1146 *q++ = keysym & 0xff;
1147 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1148 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1154 vc_chr_write(s->chr, buf, q - buf);
1157 if (be && be->chr_read) {
1158 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1165 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1166 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1167 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1168 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1169 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1170 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1171 [Q_KEY_CODE_END] = QEMU_KEY_END,
1172 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1173 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1174 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1175 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1178 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1182 keysym = qcode_to_keysym[qcode];
1186 kbd_put_keysym_console(s, keysym);
1190 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1194 for (i = 0; i < len && str[i]; i++) {
1195 kbd_put_keysym_console(s, str[i]);
1199 void kbd_put_keysym(int keysym)
1201 kbd_put_keysym_console(active_console, keysym);
1204 static void text_console_invalidate(void *opaque)
1206 QemuConsole *s = (QemuConsole *) opaque;
1208 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1209 text_console_resize(s);
1214 static void text_console_update(void *opaque, console_ch_t *chardata)
1216 QemuConsole *s = (QemuConsole *) opaque;
1219 if (s->text_x[0] <= s->text_x[1]) {
1220 src = (s->y_base + s->text_y[0]) * s->width;
1221 chardata += s->text_y[0] * s->width;
1222 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1223 for (j = 0; j < s->width; j++, src++) {
1224 console_write_ch(chardata ++,
1225 ATTR2CHTYPE(s->cells[src].ch,
1226 s->cells[src].t_attrib.fgcol,
1227 s->cells[src].t_attrib.bgcol,
1228 s->cells[src].t_attrib.bold));
1230 dpy_text_update(s, s->text_x[0], s->text_y[0],
1231 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1232 s->text_x[0] = s->width;
1233 s->text_y[0] = s->height;
1237 if (s->cursor_invalidate) {
1238 dpy_text_cursor(s, s->x, s->y);
1239 s->cursor_invalidate = 0;
1243 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1250 obj = object_new(TYPE_QEMU_CONSOLE);
1251 s = QEMU_CONSOLE(obj);
1253 object_property_add_link(obj, "device", TYPE_DEVICE,
1254 (Object **)&s->device,
1255 object_property_allow_set_link,
1256 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1258 object_property_add_uint32_ptr(obj, "head",
1259 &s->head, &error_abort);
1261 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1262 (console_type == GRAPHIC_CONSOLE))) {
1266 s->console_type = console_type;
1268 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1269 if (console_type != GRAPHIC_CONSOLE) {
1270 s->index = nb_consoles;
1271 consoles[nb_consoles++] = s;
1273 /* HACK: Put graphical consoles before text consoles. */
1274 for (i = nb_consoles; i > 0; i--) {
1275 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1277 consoles[i] = consoles[i - 1];
1278 consoles[i]->index = i;
1287 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1289 qemu_pixman_image_unref(surface->image);
1290 surface->image = NULL;
1292 surface->format = PIXMAN_x8r8g8b8;
1293 surface->image = pixman_image_create_bits(surface->format,
1296 assert(surface->image != NULL);
1298 surface->flags = QEMU_ALLOCATED_FLAG;
1301 DisplaySurface *qemu_create_displaysurface(int width, int height)
1303 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1305 trace_displaysurface_create(surface, width, height);
1306 qemu_alloc_display(surface, width, height);
1310 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1311 pixman_format_code_t format,
1312 int linesize, uint8_t *data)
1314 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1316 trace_displaysurface_create_from(surface, width, height, format);
1317 surface->format = format;
1318 surface->image = pixman_image_create_bits(surface->format,
1320 (void *)data, linesize);
1321 assert(surface->image != NULL);
1326 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1328 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1330 trace_displaysurface_create_pixman(surface);
1331 surface->format = pixman_image_get_format(image);
1332 surface->image = pixman_image_ref(image);
1337 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1340 void *data = pixman_image_get_data(image);
1341 uint32_t size = pixman_image_get_stride(image) *
1342 pixman_image_get_height(image);
1343 cpu_physical_memory_unmap(data, size, 0, 0);
1346 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1347 pixman_format_code_t format,
1348 int linesize, uint64_t addr)
1350 DisplaySurface *surface;
1354 if (linesize == 0) {
1355 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1358 size = (hwaddr)linesize * height;
1359 data = cpu_physical_memory_map(addr, &size, 0);
1360 if (size != (hwaddr)linesize * height) {
1361 cpu_physical_memory_unmap(data, size, 0, 0);
1365 surface = qemu_create_displaysurface_from
1366 (width, height, format, linesize, data);
1367 pixman_image_set_destroy_function
1368 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1373 static DisplaySurface *qemu_create_message_surface(int w, int h,
1376 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1377 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1378 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1379 pixman_image_t *glyph;
1383 x = (w / FONT_WIDTH - len) / 2;
1384 y = (h / FONT_HEIGHT - 1) / 2;
1385 for (i = 0; i < len; i++) {
1386 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1387 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1388 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1389 qemu_pixman_image_unref(glyph);
1394 void qemu_free_displaysurface(DisplaySurface *surface)
1396 if (surface == NULL) {
1399 trace_displaysurface_free(surface);
1400 qemu_pixman_image_unref(surface->image);
1404 bool console_has_gl(QemuConsole *con)
1406 return con->gl != NULL;
1409 bool console_has_gl_dmabuf(QemuConsole *con)
1411 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1414 void register_displaychangelistener(DisplayChangeListener *dcl)
1416 static const char nodev[] =
1417 "This VM has no graphic display device.";
1418 static DisplaySurface *dummy;
1423 if (dcl->ops->dpy_gl_ctx_create) {
1424 /* display has opengl support */
1427 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1428 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1434 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1435 dcl->ds = get_alloc_displaystate();
1436 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1437 gui_setup_refresh(dcl->ds);
1442 con = active_console;
1444 if (dcl->ops->dpy_gfx_switch) {
1446 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1449 dummy = qemu_create_message_surface(640, 480, nodev);
1451 dcl->ops->dpy_gfx_switch(dcl, dummy);
1454 text_console_update_cursor(NULL);
1457 void update_displaychangelistener(DisplayChangeListener *dcl,
1460 DisplayState *ds = dcl->ds;
1462 dcl->update_interval = interval;
1463 if (!ds->refreshing && ds->update_interval > interval) {
1464 timer_mod(ds->gui_timer, ds->last_update + interval);
1468 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1470 DisplayState *ds = dcl->ds;
1471 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1475 QLIST_REMOVE(dcl, next);
1477 gui_setup_refresh(ds);
1480 static void dpy_set_ui_info_timer(void *opaque)
1482 QemuConsole *con = opaque;
1484 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1487 bool dpy_ui_info_supported(QemuConsole *con)
1489 return con->hw_ops->ui_info != NULL;
1492 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1494 assert(con != NULL);
1496 if (!dpy_ui_info_supported(con)) {
1499 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1500 /* nothing changed -- ignore */
1505 * Typically we get a flood of these as the user resizes the window.
1506 * Wait until the dust has settled (one second without updates), then
1507 * go notify the guest.
1509 con->ui_info = *info;
1510 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1514 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1516 DisplayState *s = con->ds;
1517 DisplayChangeListener *dcl;
1522 width = surface_width(con->surface);
1523 height = surface_height(con->surface);
1529 w = MIN(w, width - x);
1530 h = MIN(h, height - y);
1532 if (!qemu_console_is_visible(con)) {
1535 QLIST_FOREACH(dcl, &s->listeners, next) {
1536 if (con != (dcl->con ? dcl->con : active_console)) {
1539 if (dcl->ops->dpy_gfx_update) {
1540 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1545 void dpy_gfx_replace_surface(QemuConsole *con,
1546 DisplaySurface *surface)
1548 DisplayState *s = con->ds;
1549 DisplaySurface *old_surface = con->surface;
1550 DisplayChangeListener *dcl;
1552 assert(old_surface != surface || surface == NULL);
1554 con->surface = surface;
1555 QLIST_FOREACH(dcl, &s->listeners, next) {
1556 if (con != (dcl->con ? dcl->con : active_console)) {
1559 if (dcl->ops->dpy_gfx_switch) {
1560 dcl->ops->dpy_gfx_switch(dcl, surface);
1563 qemu_free_displaysurface(old_surface);
1566 bool dpy_gfx_check_format(QemuConsole *con,
1567 pixman_format_code_t format)
1569 DisplayChangeListener *dcl;
1570 DisplayState *s = con->ds;
1572 QLIST_FOREACH(dcl, &s->listeners, next) {
1573 if (dcl->con && dcl->con != con) {
1574 /* dcl bound to another console -> skip */
1577 if (dcl->ops->dpy_gfx_check_format) {
1578 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1582 /* default is to whitelist native 32 bpp only */
1583 if (format != qemu_default_pixman_format(32, true)) {
1591 static void dpy_refresh(DisplayState *s)
1593 DisplayChangeListener *dcl;
1595 QLIST_FOREACH(dcl, &s->listeners, next) {
1596 if (dcl->ops->dpy_refresh) {
1597 dcl->ops->dpy_refresh(dcl);
1602 void dpy_text_cursor(QemuConsole *con, int x, int y)
1604 DisplayState *s = con->ds;
1605 DisplayChangeListener *dcl;
1607 if (!qemu_console_is_visible(con)) {
1610 QLIST_FOREACH(dcl, &s->listeners, next) {
1611 if (con != (dcl->con ? dcl->con : active_console)) {
1614 if (dcl->ops->dpy_text_cursor) {
1615 dcl->ops->dpy_text_cursor(dcl, x, y);
1620 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1622 DisplayState *s = con->ds;
1623 DisplayChangeListener *dcl;
1625 if (!qemu_console_is_visible(con)) {
1628 QLIST_FOREACH(dcl, &s->listeners, next) {
1629 if (con != (dcl->con ? dcl->con : active_console)) {
1632 if (dcl->ops->dpy_text_update) {
1633 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1638 void dpy_text_resize(QemuConsole *con, int w, int h)
1640 DisplayState *s = con->ds;
1641 DisplayChangeListener *dcl;
1643 if (!qemu_console_is_visible(con)) {
1646 QLIST_FOREACH(dcl, &s->listeners, next) {
1647 if (con != (dcl->con ? dcl->con : active_console)) {
1650 if (dcl->ops->dpy_text_resize) {
1651 dcl->ops->dpy_text_resize(dcl, w, h);
1656 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1658 DisplayState *s = con->ds;
1659 DisplayChangeListener *dcl;
1661 if (!qemu_console_is_visible(con)) {
1664 QLIST_FOREACH(dcl, &s->listeners, next) {
1665 if (con != (dcl->con ? dcl->con : active_console)) {
1668 if (dcl->ops->dpy_mouse_set) {
1669 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1674 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1676 DisplayState *s = con->ds;
1677 DisplayChangeListener *dcl;
1679 if (!qemu_console_is_visible(con)) {
1682 QLIST_FOREACH(dcl, &s->listeners, next) {
1683 if (con != (dcl->con ? dcl->con : active_console)) {
1686 if (dcl->ops->dpy_cursor_define) {
1687 dcl->ops->dpy_cursor_define(dcl, cursor);
1692 bool dpy_cursor_define_supported(QemuConsole *con)
1694 DisplayState *s = con->ds;
1695 DisplayChangeListener *dcl;
1697 QLIST_FOREACH(dcl, &s->listeners, next) {
1698 if (dcl->ops->dpy_cursor_define) {
1705 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1706 struct QEMUGLParams *qparams)
1709 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1712 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1715 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1718 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1721 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1724 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1727 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1730 void dpy_gl_scanout_disable(QemuConsole *con)
1733 if (con->gl->ops->dpy_gl_scanout_disable) {
1734 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1736 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1741 void dpy_gl_scanout_texture(QemuConsole *con,
1742 uint32_t backing_id,
1743 bool backing_y_0_top,
1744 uint32_t backing_width,
1745 uint32_t backing_height,
1746 uint32_t x, uint32_t y,
1747 uint32_t width, uint32_t height)
1750 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1752 backing_width, backing_height,
1753 x, y, width, height);
1756 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1760 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1763 void dpy_gl_cursor_dmabuf(QemuConsole *con,
1765 uint32_t pos_x, uint32_t pos_y)
1769 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1770 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf, pos_x, pos_y);
1774 void dpy_gl_release_dmabuf(QemuConsole *con,
1779 if (con->gl->ops->dpy_gl_release_dmabuf) {
1780 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1784 void dpy_gl_update(QemuConsole *con,
1785 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1788 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1791 /***********************************************************/
1792 /* register display */
1794 /* console.c internal use only */
1795 static DisplayState *get_alloc_displaystate(void)
1797 if (!display_state) {
1798 display_state = g_new0(DisplayState, 1);
1799 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1800 text_console_update_cursor, NULL);
1802 return display_state;
1806 * Called by main(), after creating QemuConsoles
1807 * and before initializing ui (sdl/vnc/...).
1809 DisplayState *init_displaystate(void)
1814 get_alloc_displaystate();
1815 for (i = 0; i < nb_consoles; i++) {
1816 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1817 consoles[i]->ds == NULL) {
1818 text_console_do_init(consoles[i]->chr, display_state);
1821 /* Hook up into the qom tree here (not in new_console()), once
1822 * all QemuConsoles are created and the order / numbering
1823 * doesn't change any more */
1824 name = g_strdup_printf("console[%d]", i);
1825 object_property_add_child(container_get(object_get_root(), "/backend"),
1826 name, OBJECT(consoles[i]), &error_abort);
1830 return display_state;
1833 void graphic_console_set_hwops(QemuConsole *con,
1834 const GraphicHwOps *hw_ops,
1837 con->hw_ops = hw_ops;
1841 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1842 const GraphicHwOps *hw_ops,
1845 static const char noinit[] =
1846 "Guest has not initialized the display (yet).";
1852 ds = get_alloc_displaystate();
1853 trace_console_gfx_new();
1854 s = new_console(ds, GRAPHIC_CONSOLE, head);
1855 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s);
1856 graphic_console_set_hwops(s, hw_ops, opaque);
1858 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1862 s->surface = qemu_create_message_surface(width, height, noinit);
1866 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1868 if (index >= nb_consoles) {
1871 return consoles[index];
1874 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1880 for (i = 0; i < nb_consoles; i++) {
1884 obj = object_property_get_link(OBJECT(consoles[i]),
1885 "device", &error_abort);
1886 if (DEVICE(obj) != dev) {
1889 h = object_property_get_uint(OBJECT(consoles[i]),
1890 "head", &error_abort);
1899 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1900 uint32_t head, Error **errp)
1905 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1907 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1908 "Device '%s' not found", device_id);
1912 con = qemu_console_lookup_by_device(dev, head);
1914 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
1922 bool qemu_console_is_visible(QemuConsole *con)
1924 return (con == active_console) || (con->dcls > 0);
1927 bool qemu_console_is_graphic(QemuConsole *con)
1930 con = active_console;
1932 return con && (con->console_type == GRAPHIC_CONSOLE);
1935 bool qemu_console_is_fixedsize(QemuConsole *con)
1938 con = active_console;
1940 return con && (con->console_type != TEXT_CONSOLE);
1943 bool qemu_console_is_gl_blocked(QemuConsole *con)
1945 assert(con != NULL);
1946 return con->gl_block;
1949 char *qemu_console_get_label(QemuConsole *con)
1951 if (con->console_type == GRAPHIC_CONSOLE) {
1953 return g_strdup(object_get_typename(con->device));
1955 return g_strdup("VGA");
1957 if (con->chr && con->chr->label) {
1958 return g_strdup(con->chr->label);
1960 return g_strdup_printf("vc%d", con->index);
1964 int qemu_console_get_index(QemuConsole *con)
1967 con = active_console;
1969 return con ? con->index : -1;
1972 uint32_t qemu_console_get_head(QemuConsole *con)
1975 con = active_console;
1977 return con ? con->head : -1;
1980 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1982 assert(con != NULL);
1983 return &con->ui_info;
1986 int qemu_console_get_width(QemuConsole *con, int fallback)
1989 con = active_console;
1991 return con ? surface_width(con->surface) : fallback;
1994 int qemu_console_get_height(QemuConsole *con, int fallback)
1997 con = active_console;
1999 return con ? surface_height(con->surface) : fallback;
2002 static void vc_chr_set_echo(Chardev *chr, bool echo)
2004 VCChardev *drv = VC_CHARDEV(chr);
2005 QemuConsole *s = drv->console;
2010 static void text_console_update_cursor_timer(void)
2012 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2013 + CONSOLE_CURSOR_PERIOD / 2);
2016 static void text_console_update_cursor(void *opaque)
2021 cursor_visible_phase = !cursor_visible_phase;
2023 for (i = 0; i < nb_consoles; i++) {
2025 if (qemu_console_is_graphic(s) ||
2026 !qemu_console_is_visible(s)) {
2030 graphic_hw_invalidate(s);
2034 text_console_update_cursor_timer();
2038 static const GraphicHwOps text_console_ops = {
2039 .invalidate = text_console_invalidate,
2040 .text_update = text_console_update,
2043 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2045 VCChardev *drv = VC_CHARDEV(chr);
2046 QemuConsole *s = drv->console;
2047 int g_width = 80 * FONT_WIDTH;
2048 int g_height = 24 * FONT_HEIGHT;
2050 s->out_fifo.buf = s->out_fifo_buf;
2051 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2052 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2057 s->total_height = DEFAULT_BACKSCROLL;
2061 if (active_console && active_console->surface) {
2062 g_width = surface_width(active_console->surface);
2063 g_height = surface_height(active_console->surface);
2065 s->surface = qemu_create_displaysurface(g_width, g_height);
2068 s->hw_ops = &text_console_ops;
2071 /* Set text attribute defaults */
2072 s->t_attrib_default.bold = 0;
2073 s->t_attrib_default.uline = 0;
2074 s->t_attrib_default.blink = 0;
2075 s->t_attrib_default.invers = 0;
2076 s->t_attrib_default.unvisible = 0;
2077 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2078 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2079 /* set current text attributes to default */
2080 s->t_attrib = s->t_attrib_default;
2081 text_console_resize(s);
2087 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2088 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2089 vc_chr_write(chr, (uint8_t *)msg, len);
2090 s->t_attrib = s->t_attrib_default;
2093 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2096 static void vc_chr_open(Chardev *chr,
2097 ChardevBackend *backend,
2101 ChardevVC *vc = backend->u.vc.data;
2102 VCChardev *drv = VC_CHARDEV(chr);
2105 unsigned height = 0;
2107 if (vc->has_width) {
2109 } else if (vc->has_cols) {
2110 width = vc->cols * FONT_WIDTH;
2113 if (vc->has_height) {
2114 height = vc->height;
2115 } else if (vc->has_rows) {
2116 height = vc->rows * FONT_HEIGHT;
2119 trace_console_txt_new(width, height);
2120 if (width == 0 || height == 0) {
2121 s = new_console(NULL, TEXT_CONSOLE, 0);
2123 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2124 s->surface = qemu_create_displaysurface(width, height);
2128 error_setg(errp, "cannot create text console");
2135 if (display_state) {
2136 text_console_do_init(chr, display_state);
2139 /* console/chardev init sometimes completes elsewhere in a 2nd
2140 * stage, so defer OPENED events until they are fully initialized
2145 void qemu_console_resize(QemuConsole *s, int width, int height)
2147 DisplaySurface *surface;
2149 assert(s->console_type == GRAPHIC_CONSOLE);
2151 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2152 pixman_image_get_width(s->surface->image) == width &&
2153 pixman_image_get_height(s->surface->image) == height) {
2157 surface = qemu_create_displaysurface(width, height);
2158 dpy_gfx_replace_surface(s, surface);
2161 DisplaySurface *qemu_console_surface(QemuConsole *console)
2163 return console->surface;
2166 PixelFormat qemu_default_pixelformat(int bpp)
2168 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2169 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2173 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2178 backend->type = CHARDEV_BACKEND_KIND_VC;
2179 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2180 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2182 val = qemu_opt_get_number(opts, "width", 0);
2184 vc->has_width = true;
2188 val = qemu_opt_get_number(opts, "height", 0);
2190 vc->has_height = true;
2194 val = qemu_opt_get_number(opts, "cols", 0);
2196 vc->has_cols = true;
2200 val = qemu_opt_get_number(opts, "rows", 0);
2202 vc->has_rows = true;
2207 static const TypeInfo qemu_console_info = {
2208 .name = TYPE_QEMU_CONSOLE,
2209 .parent = TYPE_OBJECT,
2210 .instance_size = sizeof(QemuConsole),
2211 .class_size = sizeof(QemuConsoleClass),
2214 static void char_vc_class_init(ObjectClass *oc, void *data)
2216 ChardevClass *cc = CHARDEV_CLASS(oc);
2218 cc->parse = qemu_chr_parse_vc;
2219 cc->open = vc_chr_open;
2220 cc->chr_write = vc_chr_write;
2221 cc->chr_set_echo = vc_chr_set_echo;
2224 static const TypeInfo char_vc_type_info = {
2225 .name = TYPE_CHARDEV_VC,
2226 .parent = TYPE_CHARDEV,
2227 .instance_size = sizeof(VCChardev),
2228 .class_init = char_vc_class_init,
2231 void qemu_console_early_init(void)
2233 /* set the default vc driver */
2234 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2235 type_register(&char_vc_type_info);
2239 static void register_types(void)
2241 type_register_static(&qemu_console_info);
2244 type_init(register_types);